The Marc Spector: Moon Knight #20 published by Marvel Comics in November 1990 during the Copper Age of American comics. This issue features characters such as Moon Knight, Spider-Man, Punisher, and members of the Secret Empire. The cover art was done by Butch Guice, with a variety of artists and writers contributing to the storyline, including Tom Palmer, Christie Scheele, Sal Velluto, and Chuck Dixon. The comic falls under the genre of superheroes and is in English language, making it a valuable collectible for fans of US Comics.